发明名称 |
Compressed tablets for disintegration in the colon comprising an active ingredient containing nucleus coated with a first layer containing microcrystalline cellulose which is coated with an enteric organic polymer coating |
摘要 |
Coated compressed tablets for oral administration are disclosed which substantially desintegrate specifically at the level of the colon. The tablets comprise a compressed center piece containing an active agent which center piece is coated by a first coating layer which is comprised of a mixture of a pharmaceutically acceptable film-forming organic polymer material which is non-deteriorated by a neutral or alkaline aqueous medium and microcrystalline cellulose and a second coating layer which is comprised of a pharmaceutically acceptable enteric organic polymer coating material.
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申请公布号 |
US4432966(A) |
申请公布日期 |
1984.02.21 |
申请号 |
US19820413483 |
申请日期 |
1982.08.31 |
申请人 |
ROUSSEL-UCLAF |
发明人 |
ZEITOUN, PAUL;BRISARD, PATRICK |
分类号 |
A61K9/30;A61K9/22;A61K9/26;A61K9/28;A61K9/36;(IPC1-7):A61K9/24 |
主分类号 |
A61K9/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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